Professor of Computer Science
University of California at Santa Barbara
I am a faculty member in the Department of Computer Science at the University of California at Santa Barbara. My research expertise is in the areas of distributed systems and databases.
I received a Bachelors Degree in Electrical Engineering from the Birla Institute of Technology and Science, Pilani in India and Masters and PhD degress in Computer Science from the State University of New York at Stony Brook.
Scalability, Elasticity, and Autonomic Control of Data in the Cloud
Security and Privacy of Data in the Cloud
Online Social Networks and Social Media Analysis
Transaction Processing, Database Concurrency Control and Recovery
Distributed Algorithms and Protocols, Fault-tolerant Systems
Digital Libraries, Multimedia Databases, and Multi-dimensional Indexing
Data Warehousing, Data Cubes, and Online Analytical Processing
Peer-to-peer Computing and Data Management
Hardware Acceleration of Database Processing
Efficient Information Processing in Sensor Networks
Fraud-detection in Advertising Networks
Data Stream Operators and Algorithms
Privacy and Security in Database Systems
Database and data-stream operators over multicore architectures
Data-intensive scalable computing
Awards & Recogniztions
Gold Medal, Top of the Graduating Class, BITS Pilani, 1980.
Best Paper Award, ICDE'2002, 2002.
Senior Member, IEEE, 2004.
Senior Member, ACM, 2010.
Distinguished Scientist, ACM, 2010.
Outstanding Graduate Mentor, UC Santa Barbara, 2011
Best paper Award (runner-up), IEEE MDM'2011, 2011
William Mong Fellow, Hong Kong University, 2011
IEEE Fellow, 2012
ACM Fellow, 2012
Research FundingNSF Sponsored Project on Data Summarization and Aggregation
NSF Sponsored Project on Hardware Acceleration of Database Operations
NSF Sponsored Project on Wireless Sensor Networks
Visiting Research Scientist, IBM Alamden Research Center (August'1994 -- December'1994)
Visiting Senior Research Scientist, NEC Research Laboratories of America (January'1997 -- December'2009)
Chair, Department of Computer Science, University of California at Santa Barbara (July'1999 -- June'2003)
Vice President of Data Solutions and Advertising Systems, ASK.com (January'2006 -- December'2007)
Technology Advisor, ASK.com (January'2008 -- December'2008)
Technology Advisor, Future Computing Divsion, NEC Japan (January'2008 -- December'2011)
Visiting Professor, School of Computer Science, National University of Singapore (June'2010 -- September'2010)
William Mong Visiting Research Fellow, School of Engineering, The University of Hong Kong (December'2011)
System and methods for invalidation to enable caching of dynamically generated content, US Patent 7,228,318, June 5, 2007.
System and methods for invalidation to enable caching of dynamically generated content, US Patent 6,889,234, May 3, 2005.
Method and apparatus for intelligent network bandwidth and system resource utilization for web content fetch and refresh, US Patent 6,701,316, March 2, 2004.
System and method for intelligent caching and refresh of dynamically generated and static web content, US Patent 6,591,266, July 8, 2003.